Ultraflex Group

Front mount cylinder UC128-OBF

Front mount cylinder UC128-OBF Outboard steering systems HYDRAULIC STEERING SYSTEMS

Front mount cylinder UC128-OBF

Adjustable boss style fittings for easy installation
High resistence stainless steel connection bolt (ULTRABOLT)

Replaceable cylinder heads


The UC128 cylinder is built to last with heavy duty stainless steel cylinder rod, seals and link assemblies. Constructed of top grade materials, this cylinder is simple to install and fits almost every 2 and 4 stroke outboard engine in the market. See the "application" section to choose the appropriate cylinder (UC128-OBF/1, UC128-OBF/2 or UC128-OBF/3). The UC128 cylinders are recommended for use with UP25, UP28, UP33 and UP39 series helms and preassembled hoses (Kit OB and Kit OB/R5).
Depending on the applications on the outboard engines, the UC128-OBF is available in 3 versions:

 

 

UC128-OBF/1 - 43231W UC128-OBF/2 - 43232R UC128-OBF/3 - 43233T

 

In the applications with dual UC128-OBF cylinder it is necessary to order a standard UC128-OBF cylinder (link arm attached to the starboard side of the cylinder) and a port UC128P-OBF cylinder (link arm attached to the port side of the cylinder). See appropriate section for A90 tie bar, required for dual engine/dual cylinder applications.
Depending on the applications on the outboard engines, the UC128P-OBF port cylinder is available in 2 versions:

 

UC128P-OBF/1 - 43234V UC128P-OBF/2 - 43235X

 

SPECIFICATIONS UC128-OBF/1-/2-/3
Volume 120 cc - 7.3 cu.in
Output force 450 kg - 992 lbs
Inside diameter 35 mm - 1.37"
Stroke 185 mm - 7.28"
3/8" (9,5 mm) fittings For high pressure flex hose
Bleed fittings DN5 quick connect

 

SPLASHWELL DIMENSION REQUIREMENTS
Engine No. A B C
1 560 mm - 22.05" 152 mm - 5.98" 152 mm - 5.98"
2 1110 mm - 43.70" 152 mm - 5.98" 152 mm - 5.98"

For twin engine applications minimum engine center distance is 550 mm (21.6”)

 


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